64221520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 179988480

約数和(自身を除く): 115766960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 80, 88, 92, 95, 110, 115, 152, 167, 176, 184, 190, 209, 220, 230, 253, 304, 334, 368, 380, 418, 437, 440, 460, 506, 668, 760, 835, 836, 874, 880, 920, 1012, 1045, 1265, 1336, 1520, 1670, 1672, 1748, 1837, 1840, 2024, 2090, 2185, 2530, 2672, 3173, 3340, 3344, 3496, 3674, 3841, 4048, 4180, 4370, 4807, 5060, 6346, 6680, 6992, 7348, 7682, 8360, 8740, 9185, 9614, 10120, 12692, 13360, 14696, 15364, 15865, 16720, 17480, 18370, 19205, 19228, 20240, 24035, 25384, 29392, 30728, 31730, 34903, 34960, 36740, 38410, 38456, 42251, 48070, 50768, 61456, 63460, 69806, 72979, 73480, 76820, 76912, 84502, 96140, 126920, 139612, 145958, 146960, 153640, 169004, 174515, 192280, 211255, 253840, 279224, 291916, 307280, 338008, 349030, 364895, 384560, 422510, 558448, 583832, 676016, 698060, 729790, 802769, 845020, 1167664, 1396120, 1459580, 1605538, 1690040, 2792240, 2919160, 3211076, 3380080, 4013845, 5838320, 6422152, 8027690, 12844304, 16055380, 32110760, 64221520]

約数ペア:

[(1, 64221520), (2, 32110760), (4, 16055380), (5, 12844304), (8, 8027690), (10, 6422152), (11, 5838320), (16, 4013845), (19, 3380080), (20, 3211076), (22, 2919160), (23, 2792240), (38, 1690040), (40, 1605538), (44, 1459580), (46, 1396120), (55, 1167664), (76, 845020), (80, 802769), (88, 729790), (92, 698060), (95, 676016), (110, 583832), (115, 558448), (152, 422510), (167, 384560), (176, 364895), (184, 349030), (190, 338008), (209, 307280), (220, 291916), (230, 279224), (253, 253840), (304, 211255), (334, 192280), (368, 174515), (380, 169004), (418, 153640), (437, 146960), (440, 145958), (460, 139612), (506, 126920), (668, 96140), (760, 84502), (835, 76912), (836, 76820), (874, 73480), (880, 72979), (920, 69806), (1012, 63460), (1045, 61456), (1265, 50768), (1336, 48070), (1520, 42251), (1670, 38456), (1672, 38410), (1748, 36740), (1837, 34960), (1840, 34903), (2024, 31730), (2090, 30728), (2185, 29392), (2530, 25384), (2672, 24035), (3173, 20240), (3340, 19228), (3344, 19205), (3496, 18370), (3674, 17480), (3841, 16720), (4048, 15865), (4180, 15364), (4370, 14696), (4807, 13360), (5060, 12692), (6346, 10120), (6680, 9614), (6992, 9185), (7348, 8740), (7682, 8360)]